Cheap Mercedes Benz Slk cars under £20,000
With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check
120 Mercedes Benz Slk cars under £20,000 - 41 reductions
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Recently reduced (41)
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features on this model include climate control, radio, bluetooth, wind deflector, service history, full service history, pas, centre console storage, mp3 compatible, speakers, sports suspension, audio, cd, passenger, alloys, audio 20, bluetooth system, centre console, alloy wheels...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include black, driver, air bag, cruise control, parktronic, climate control, alarm, exterior lighting, adjustable steering column/wheel, alloy wheels, electronic stability programme, service history, computer, heated seats, headlamp wash, central door lockin...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Options include We have much more to tell you about this car so please feel free to call us for more details...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes airbags, heated seats, leather, automatic, navigation system, black, driver, airbag, part exchange welcome, alloy wheels, mot, service history, finance available, 18in alloy wheels, anti lock braking system, abs, air con, air conditioning...eee
£11,799
Was £11,995 Save £196
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 62,597 miles | Convertible | 2143 | diesel | automatic | 2 doors
This model has warranty, alloy wheels, audio, heated seats, convertible, air con, audio 20, air conditioning, driver, diesel, sat nav, automatic, cd, heated front seats, passenger, abs, radio, airbag, airbags, anti lock braking system, parktronic, black, heated fro...eee
£10,500
Was £11,500 Save £1,000
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 47,200 miles | Convertible | 2143 | diesel | automatic | 2 doors
Featuring audio 20, air conditioning, heated seats, bluetooth interface, cd, brake assist, climate control, navigation system, hpi clear, cruise control, leather interior, alarm, radio, finance available, part exchange welcome, wind deflector, heated front sea...eee
£10,495
Was £10,995 Save £500
Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr
2007 | 24,700 miles | Convertible | 2996 | petrol | automatic | 0 doors
Description includes alloy wheels, tinted glass, third brake light, leather, spare wheel, fog lights, electric windows (front), side protection mouldings, adjustable steering column/wheel, power assisted steering, electronic stability programme, computer, pas, traction c...eee
£9,995
Was £10,495 Save £500
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2015 | 66,000 miles | Convertible | 2143 | diesel | automatic | 2 doors
Comes with pas, low mileage, full leather, air conditioning, brake assist, driver, black, warranty, bluetooth interface, air con, audio 20, leather, alloy wheels, passenger, abs, anti lock braking system, bluetooth, audio, radio, airbag, alloys, alarm, service ...eee
£9,750
Was £9,950 Save £200
Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto
2012 | 54,000 miles | Convertible | 1796 | petrol | automatic | 2 doors
Includes esp, 18in alloy wheels, tyre pressure loss warning system, navigation system, cruise control, air con, air conditioning, sports suspension, electronic stability programme, dab digital radio, radio, usb, speakers, tinted glass, wind deflector, head re...eee
£9,699
Was £10,799 Save £1,100
Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2014 | 36,624 miles | Convertible | 2143 | diesel | automatic | 2 doors
This model has convertible, air con, driver, pas, automatic transmission, black, leather steering wheel, aluminium trim, abs, leather, dab digital radio, cloth interior, esp, diesel, black cloth interior, air conditioning, side airbags, daytime running lights, crui...eee
120 cars under £20,000
£19,990
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)
2013 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
With heated seats, sunroof, leather seats, panoramic sunroof, sat nav, service history, led daytime running lights, automatic headlights, cruise control, audio, paddle shift, radio, daytime running lights, alloys, automatic, leather, bluetooth audio strea...eee
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Options include bluetooth interface, sports suspension, passenger, centre console storage, speakers, wind deflector, auto climate control, bluetooth, audio, audio 20, alloys, pas, full service history, centre console, radio, mp3 compatible, bluetooth system, service...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with bluetooth, adjustable steering column/wheel, computer, air bag, parktronic, alarm, heated seats, full service history, steering wheel leather, anti lock brakes, electronic stability programme, immobiliser, climate control, adjustable steering column,...eee
£17,350
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 79,431 miles | Convertible | 5461 | petrol | automatic | 2 doors
This model has pas, airbags, service history, air con, alarm, driver, automatic transmission, airbag, abs, automatic, alloy wheels, 18in alloy wheels, anti lock braking system, black, passenger, leather, air conditioning, leather interior, immobiliser...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
With We have much more to tell you about this car so please feel free to call us for more details...eee
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features on this model include climate control, electric windows (front), central door locking, spare wheel, leather, adjustable steering column/wheel, driver, alloy wheels, electric windows, speakers, adjustable steering column, steering wheel mounted controls, air bag...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
Includes daytime running lights, led daytime running lights, leather, full service history, convertible, computer, black, service history, mot, leather interior, trip computer, sports seats, alloys, registered keeper, petrol...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
With third brake light, electronic stability programme, air bag passenger, spare wheel, passenger, computer, leather, steering wheel mounted controls, electric windows, air bag driver, exterior lighting, tinted glass, immobiliser, air bag, climate control...eee
£12,990
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 56,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features on this model include daytime running lights, alloy wheels, air conditioning, air con, parktronic, audio, audio 20, automatic gearbox, 2 owners, radio, bluetooth, parking sensors, 18in alloy wheels, climate control, speed limiter, dab digital radio, heated front seat, rea...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
This car has air conditioning, anti lock braking system, driver, alloy wheels, part exchange welcome, finance available, automatic, airbags, black, service history, leather, mot, 18in alloy wheels, abs, navigation system, air con, heated seats, airbag...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
